Erik Arntzen has 3 recorded races from Minnetonka, Minnesota, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-24 | 2026 Life Time Leadville Stage Race Day 3 - 40 Miles | Ultra Marathon | 3:30:43 | 93 |
| 2026-07-24 | 2026 Life Time Leadville Stage Race 2 Day Totals | Ultra Marathon | 6:37:46 | 105 |
| 2022-09-17 | 2022 Chequamegon MTB Festival Chequamegon 40 | Ultra Marathon | 3:29:15 | 584 |